fix: change order keys for clickhouse tables

* wip

* rename

* fix: minor things before merging new order keys

* fix: add maintenance mode

* fix: update order by for session and events

* fix: remove properties from sessions and final migration test

* fix: set end date on migrations

* fix: comments

apps/start/src/routes/__root.tsx

@@ -34,6 +34,7 @@ interface MyRouterContext {
   apiUrl: string;
   dashboardUrl: string;
   isSelfHosted: boolean;
+  isMaintenance: boolean;
 }
 
 export const Route = createRootRouteWithContext<MyRouterContext>()({